Blar i SINTEF Industri på tidsskrift "Journal of Membrane Science"
Viser treff 1-15 av 15
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Chemical stability and H2 flux degradation of cercer membranes based on lanthanum tungstate and lanthanum chromite
(Peer reviewed; Journal article, 2016)Ceramic–ceramic composite (cercer) membranes of (Mo-doped) lanthanum tungstate, La27(W,Mo)5O55.5−δ, and lanthanum chromite, La0.87Sr0.13CrO3−δ, have recently been shown to exhibit H2 permeabilities among state-of-the-art. ... -
Comparing amine- and ammonium functionalized silsesquioxanes for large scale synthesis of hybrid polyimide high-temperature gas separation membranes
(Peer reviewed; Journal article, 2021)PolyPOSS-imide membranes are promising for separating H2 from larger molecules (CO2, N2, CH4) at temperatures up to 300 °C. Their fabrication involves two steps: interfacial polymerization of POSS and 6FDA, followed by ... -
Contact angle screening and asymmetric dual-phase CO2 separation membranes
(Peer reviewed; Journal article, 2022)Dual-phase CO2 separation membrane consisting of molten carbonates confined in a solid matrix can separate CO2 at high temperatures. The contact angle of molten carbonates to different oxides that can potentially serve as ... -
Doping strategies for increased oxygen permeability of CaTiO3 based membranes
(Peer reviewed; Journal article, 2015)Oxygen permeation measurements are performed on dense samples of CaTi0.85Fe0.15O3−δ, CaTi0.75Fe0.15Mg0.05O3−δ and CaTi0.75Fe0.15Mn0.10O3−δ in combination with density functional theory (DFT) calculations and X-ray photoelectron ... -
Enhanced CO2/H2 separation by GO and PVA-GO embedded PVAm nanocomposite membranes
(Peer reviewed; Journal article, 2023)Membrane technology for CO2/H2 separation, especially when using CO2-selective membranes to keep H2 on the high-pressure retentate side, has been considered promising and energy-efficient for further H2 transport and ... -
Facile and Solvent-free Fabrication of PEG-based Membranes with Interpenetrating Networks for CO2 Separation
(Peer reviewed; Journal article, 2018)For nearly two decades, membranes derived from polyethers have served as promising candidate materials for CO2 separation. Due to the inherent tendency of high-molecular-weight poly(ethylene oxide) (PEO) to crystallize and ... -
Facilitated transport membranes containing graphene oxide-based nanoplatelets for CO2 separation: Effect of 2D filler properties
(Journal of Membrane Science;0376-7388, Peer reviewed; Journal article, 2020)Realization of suitable membrane-based technology for efficient CO2 capture to mitigate climate change relies on the development of thin-film composite (TFC) membranes with superior separation performance. Graphene oxide ... -
Hydrogen separation membranes based on dense ceramic composites in the La27W5O55.5–LaCrO3 system
(Peer reviewed; Journal article, 2015)Some compositions of ceramic hydrogen permeable membranes are promising for integration in high temperature processes such as steam methane reforming due to their high chemical stability in large chemical gradients and CO2 ... -
Incorporation of an ionic liquid into a midblock-sulfonated multiblock polymer for CO2 capture
(Peer reviewed; Journal article, 2019)In the present work, hybrid block ionomer/ionic liquid (IL) membranes containing up to 40 wt% IL are prepared by incorporating 1-butyl-3-methylimidazolium tetrafluoroborate ([Bmim][BF4]) into a midblock-sulfonated pentablock ... -
Metal- and covalent-organic framework mixed matrix membranes for CO2 separation: A perspective on stability and scalability
(Peer reviewed; Journal article, 2023)Membrane technology has attracted great industrial interest in carbon capture and separation owing to the merits of energy-efficiency, environmental friendliness and low capital investment. Conventional polymeric membranes ... -
Oxygen permeability and surface kinetics of composite oxygen transport membranes based on stabilized δ-Bi2O3
(Peer reviewed; Journal article, 2022)Composite ceramic membranes based on the ionic conducting Tm-stabilized δ-Bi2O3 (BTM) and the electronic conducting (La0.8Sr0.2)0.99MnO3-δ (LSM) exhibit among the highest oxygen flux values reported for Bi2O3-based membranes. ... -
Oxygen permeation and creep behavior of Ca1-xSrxTi0.6Fe0.15Mn0.25O3-δ (x=0, 0.5) membrane materials
(Peer reviewed; Journal article, 2016)Oxygen permeation measurements were performed on dense symmetric samples of Ca0.5Sr0.5Ti0.6Fe0.15Mn0.25O3−δ and compared to CaTi0.6Fe0.15Mn0.25O3−δ in order to assess the influence of the perovskite lattice volume on oxygen ... -
Preparation of Carbon Molecular Sieve Membranes with Remarkable CO2/CH4 Selectivity for High-pressure Natural Gas Sweetening
(Peer reviewed; Journal article, 2020)Carbon hollow fiber membranes (CHFMs) were fabricated based on cellulose hollow fiber precursors spun from a cellulose/ionic liquid system. By a thermal treatment on the precursors using a preheating process before ... -
The performance of affordable and stable cellulose-based poly-ionic membranes in CO2/N2 and CO2/CH4 gas separation
(Journal article; Peer reviewed, 2018) -
Thickness dependent effects of solubility and surface phenomena on the hydrogen transport properties of sputtered Pd77%Ag23% thin film membranes
(Peer reviewed; Journal article, 2015)The hydrogen solubility and permeation in Pd77%Ag23% membranes have been determined as a function of temperature and membrane thickness. Unexpectedly, the solubility of hydrogen is found to systematically increase as the ...